Home / 7,240.04-10,860.04-2,560.20

Finding the Fourth Proportional to 7,240.04, 10,860.04 and 2,560.20

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Solution

The fourth proportional to 7,240.04, 10,860.04 and 2,560.20 is: 3,840.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240.04 : 10,860.04 = 2,560.20 : x
  2. Step 2: Convert to fraction form
    7,240.04/10,860.04 = 2,560.20/x
  3. Step 3: Cross multiply
    7,240.04x = 10,860.04 × 2,560.20
  4. Step 4: Simplify right side
    7,240.04x = 27,803,874.41
  5. Step 5: Solve for x
    x = 27,803,874.41/7,240.04
  6. Step 6: Final answer
    x = 3,840.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.